<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>根据已定义的类获取所在扩展的 ReflectionExtension 对象</title>

 </head>
 <body><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="reflectionclass.getendline.html">ReflectionClass::getEndLine</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="reflectionclass.getextensionname.html">ReflectionClass::getExtensionName</a></div>
 <div class="up"><a href="class.reflectionclass.html">ReflectionClass</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="reflectionclass.getextension" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionClass::getExtension</h1>
  <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ReflectionClass::getExtension</span> &mdash; <span class="dc-title">根据已定义的类获取所在扩展的 <a href="class.reflectionextension.html" class="classname">ReflectionExtension</a> 对象</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionclass.getextension-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type"><a href="class.reflectionextension.html" class="type ReflectionExtension">ReflectionExtension</a></span> <span class="methodname"><strong>ReflectionClass::getExtension</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   获取已定义类的扩展的 <a href="class.reflectionextension.html" class="classname">ReflectionExtension</a> 对象。
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionclass.getextension-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionclass.getextension-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   类所处的扩展的 <a href="class.reflectionextension.html" class="classname">ReflectionExtension</a> 对象的表示，如果是用户定义的类则返回 <strong><code>NULL</code></strong>。
  </p>
 </div>

 
 <div class="refsect1 examples" id="refsect1-reflectionclass.getextension-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5089">
    <p><strong>Example #1 <span class="methodname"><strong>ReflectionClass::getExtension()</strong></span> 的基本用法</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$class&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionClass</span><span style="color: #007700">(</span><span style="color: #DD0000">'ReflectionClass'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$extension&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$class</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getExtension</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$extension</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
object(ReflectionExtension)#2 (1) {
  [&quot;name&quot;]=&gt;
  string(10) &quot;Reflection&quot;
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionclass.getextension-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="reflectionclass.getextensionname.html" class="methodname" rel="rdfs-seeAlso">ReflectionClass::getExtensionName()</a> - 获取定义的类所在的扩展的名称</span></li>
   </ul>
  </p>
 </div>


</div><hr /><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="reflectionclass.getendline.html">ReflectionClass::getEndLine</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="reflectionclass.getextensionname.html">ReflectionClass::getExtensionName</a></div>
 <div class="up"><a href="class.reflectionclass.html">ReflectionClass</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
